drivers/acpi/utilities/utdebug.c

   1 /******************************************************************************
   2  *
   3  * Module Name: utdebug - Debug print routines
   4  *
   5  *****************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
  12  * All rights reserved.
  13  *
  14  * 2. License
  15  *
  16  * 2.1. This is your license from Intel Corp. under its intellectual property
  17  * rights.  You may have additional license terms from the party that provided
  18  * you this software, covering your right to use that party's intellectual
  19  * property rights.
  20  *
  21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22  * copy of the source code appearing in this file ("Covered Code") an
  23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25  * make derivatives, distribute, use and display any portion of the Covered
  26  * Code in any form, with the right to sublicense such rights; and
  27  *
  28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29  * license (with the right to sublicense), under only those claims of Intel
  30  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31  * offer to sell, and import the Covered Code and derivative works thereof
  32  * solely to the minimum extent necessary to exercise the above copyright
  33  * license, and in no event shall the patent license extend to any additions
  34  * to or modifications of the Original Intel Code.  No other license or right
  35  * is granted directly or by implication, estoppel or otherwise;
  36  *
  37  * The above copyright and patent license is granted only if the following
  38  * conditions are met:
  39  *
  40  * 3. Conditions
  41  *
  42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43  * Redistribution of source code of any substantial portion of the Covered
  44  * Code or modification with rights to further distribute source must include
  45  * the above Copyright Notice, the above License, this list of Conditions,
  46  * and the following Disclaimer and Export Compliance provision.  In addition,
  47  * Licensee must cause all Covered Code to which Licensee contributes to
  48  * contain a file documenting the changes Licensee made to create that Covered
  49  * Code and the date of any change.  Licensee must include in that file the
  50  * documentation of any changes made by any predecessor Licensee.  Licensee
  51  * must include a prominent statement that the modification is derived,
  52  * directly or indirectly, from Original Intel Code.
  53  *
  54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55  * Redistribution of source code of any substantial portion of the Covered
  56  * Code or modification without rights to further distribute source must
  57  * include the following Disclaimer and Export Compliance provision in the
  58  * documentation and/or other materials provided with distribution.  In
  59  * addition, Licensee may not authorize further sublicense of source of any
  60  * portion of the Covered Code, and must include terms to the effect that the
  61  * license from Licensee to its licensee is limited to the intellectual
  62  * property embodied in the software Licensee provides to its licensee, and
  63  * not to intellectual property embodied in modifications its licensee may
  64  * make.
  65  *
  66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67  * substantial portion of the Covered Code or modification must reproduce the
  68  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69  * provision in the documentation and/or other materials provided with the
  70  * distribution.
  71  *
  72  * 3.4. Intel retains all right, title, and interest in and to the Original
  73  * Intel Code.
  74  *
  75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77  * other dealings in products derived from or relating to the Covered Code
  78  * without prior written authorization from Intel.
  79  *
  80  * 4. Disclaimer and Export Compliance
  81  *
  82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88  * PARTICULAR PURPOSE.
  89  *
  90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97  * LIMITED REMEDY.
  98  *
  99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 100  * software or system incorporating such software without first obtaining any
 101  * required license or other approval from the U. S. Department of Commerce or
 102  * any other agency or department of the United States Government.  In the
 103  * event Licensee exports any such software from the United States or
 104  * re-exports any such software from a foreign destination, Licensee shall
 105  * ensure that the distribution and export/re-export of the software is in
 106  * compliance with all laws, regulations, orders, or other restrictions of the
 107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 108  * any of its subsidiaries will export/re-export any technical data, process,
 109  * software, or service, directly or indirectly, to any country for which the
 110  * United States government or any agency thereof requires an export license,
 111  * other governmental approval, or letter of assurance, without first obtaining
 112  * such license, approval or letter.
 113  *
 114  *****************************************************************************/
 115
 116 #define __UTDEBUG_C__
 117
 118 #include "acpi.h"
 119 #include "accommon.h"
 120
 121 #define _COMPONENT          ACPI_UTILITIES
 122         ACPI_MODULE_NAME    ("utdebug")
 123
 124
 125 #ifdef ACPI_DEBUG_OUTPUT
 126
 127 static ACPI_THREAD_ID       AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
 128 static char                 *AcpiGbl_FnEntryStr = "----Entry";
 129 static char                 *AcpiGbl_FnExitStr  = "----Exit-";
 130
 131 /* Local prototypes */
 132
 133 static const char *
 134 AcpiUtTrimFunctionName (
 135     const char              *FunctionName);
 136
 137
 138 /*******************************************************************************
 139  *
 140  * FUNCTION:    AcpiUtInitStackPtrTrace
 141  *
 142  * PARAMETERS:  None
 143  *
 144  * RETURN:      None
 145  *
 146  * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
 147  *
 148  ******************************************************************************/
 149
 150 void
 151 AcpiUtInitStackPtrTrace (
 152     void)
 153 {
 154     ACPI_SIZE               CurrentSp;
 155
 156
 157     AcpiGbl_EntryStackPointer = &CurrentSp;
 158 }
 159
 160
 161 /*******************************************************************************
 162  *
 163  * FUNCTION:    AcpiUtTrackStackPtr
 164  *
 165  * PARAMETERS:  None
 166  *
 167  * RETURN:      None
 168  *
 169  * DESCRIPTION: Save the current CPU stack pointer
 170  *
 171  ******************************************************************************/
 172
 173 void
 174 AcpiUtTrackStackPtr (
 175     void)
 176 {
 177     ACPI_SIZE               CurrentSp;
 178
 179
 180     if (&CurrentSp < AcpiGbl_LowestStackPointer)
 181     {
 182         AcpiGbl_LowestStackPointer = &CurrentSp;
 183     }
 184
 185     if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
 186     {
 187         AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
 188     }
 189 }
 190
 191
 192 /*******************************************************************************
 193  *
 194  * FUNCTION:    AcpiUtTrimFunctionName
 195  *
 196  * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
 197  *
 198  * RETURN:      Updated pointer to the function name
 199  *
 200  * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
 201  *              This allows compiler macros such as __FUNCTION__ to be used
 202  *              with no change to the debug output.
 203  *
 204  ******************************************************************************/
 205
 206 static const char *
 207 AcpiUtTrimFunctionName (
 208     const char              *FunctionName)
 209 {
 210
 211     /* All Function names are longer than 4 chars, check is safe */
 212
 213     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
 214     {
 215         /* This is the case where the original source has not been modified */
 216
 217         return (FunctionName + 4);
 218     }
 219
 220     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
 221     {
 222         /* This is the case where the source has been 'linuxized' */
 223
 224         return (FunctionName + 5);
 225     }
 226
 227     return (FunctionName);
 228 }
 229
 230
 231 /*******************************************************************************
 232  *
 233  * FUNCTION:    AcpiDebugPrint
 234  *
 235  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
 236  *              LineNumber          - Caller's line number (for error output)
 237  *              FunctionName        - Caller's procedure name
 238  *              ModuleName          - Caller's module name
 239  *              ComponentId         - Caller's component ID
 240  *              Format              - Printf format field
 241  *              ...                 - Optional printf arguments
 242  *
 243  * RETURN:      None
 244  *
 245  * DESCRIPTION: Print error message with prefix consisting of the module name,
 246  *              line number, and component ID.
 247  *
 248  ******************************************************************************/
 249
 250 void  ACPI_INTERNAL_VAR_XFACE
 251 AcpiDebugPrint (
 252     UINT32                  RequestedDebugLevel,
 253     UINT32                  LineNumber,
 254     const char              *FunctionName,
 255     const char              *ModuleName,
 256     UINT32                  ComponentId,
 257     const char              *Format,
 258     ...)
 259 {
 260     ACPI_THREAD_ID          ThreadId;
 261     va_list                 args;
 262
 263
 264     /*
 265      * Stay silent if the debug level or component ID is disabled
 266      */
 267     if (!(RequestedDebugLevel & AcpiDbgLevel) ||
 268         !(ComponentId & AcpiDbgLayer))
 269     {
 270         return;
 271     }
 272
 273     /*
 274      * Thread tracking and context switch notification
 275      */
 276     ThreadId = AcpiOsGetThreadId ();
 277     if (ThreadId != AcpiGbl_PrevThreadId)
 278     {
 279         if (ACPI_LV_THREADS & AcpiDbgLevel)
 280         {
 281             AcpiOsPrintf (
 282                 "\n**** Context Switch from TID %p to TID %p ****\n\n",
 283                 ACPI_CAST_PTR (void, AcpiGbl_PrevThreadId),
 284                 ACPI_CAST_PTR (void, ThreadId));
 285         }
 286
 287         AcpiGbl_PrevThreadId = ThreadId;
 288     }
 289
 290     /*
 291      * Display the module name, current line number, thread ID (if requested),
 292      * current procedure nesting level, and the current procedure name
 293      */
 294     AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
 295
 296     if (ACPI_LV_THREADS & AcpiDbgLevel)
 297     {
 298         AcpiOsPrintf ("[%p] ", ACPI_CAST_PTR (void, ThreadId));
 299     }
 300
 301     AcpiOsPrintf ("[%02ld] %-22.22s: ",
 302         AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
 303
 304     va_start (args, Format);
 305     AcpiOsVprintf (Format, args);
 306     va_end (args);
 307 }
 308
 309 ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
 310
 311
 312 /*******************************************************************************
 313  *
 314  * FUNCTION:    AcpiDebugPrintRaw
 315  *
 316  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
 317  *              LineNumber          - Caller's line number
 318  *              FunctionName        - Caller's procedure name
 319  *              ModuleName          - Caller's module name
 320  *              ComponentId         - Caller's component ID
 321  *              Format              - Printf format field
 322  *              ...                 - Optional printf arguments
 323  *
 324  * RETURN:      None
 325  *
 326  * DESCRIPTION: Print message with no headers.  Has same interface as
 327  *              DebugPrint so that the same macros can be used.
 328  *
 329  ******************************************************************************/
 330
 331 void  ACPI_INTERNAL_VAR_XFACE
 332 AcpiDebugPrintRaw (
 333     UINT32                  RequestedDebugLevel,
 334     UINT32                  LineNumber,
 335     const char              *FunctionName,
 336     const char              *ModuleName,
 337     UINT32                  ComponentId,
 338     const char              *Format,
 339     ...)
 340 {
 341     va_list                 args;
 342
 343
 344     if (!(RequestedDebugLevel & AcpiDbgLevel) ||
 345         !(ComponentId & AcpiDbgLayer))
 346     {
 347         return;
 348     }
 349
 350     va_start (args, Format);
 351     AcpiOsVprintf (Format, args);
 352     va_end (args);
 353 }
 354
 355 ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
 356
 357
 358 /*******************************************************************************
 359  *
 360  * FUNCTION:    AcpiUtTrace
 361  *
 362  * PARAMETERS:  LineNumber          - Caller's line number
 363  *              FunctionName        - Caller's procedure name
 364  *              ModuleName          - Caller's module name
 365  *              ComponentId         - Caller's component ID
 366  *
 367  * RETURN:      None
 368  *
 369  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
 370  *              set in DebugLevel
 371  *
 372  ******************************************************************************/
 373
 374 void
 375 AcpiUtTrace (
 376     UINT32                  LineNumber,
 377     const char              *FunctionName,
 378     const char              *ModuleName,
 379     UINT32                  ComponentId)
 380 {
 381
 382     AcpiGbl_NestingLevel++;
 383     AcpiUtTrackStackPtr ();
 384
 385     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 386         LineNumber, FunctionName, ModuleName, ComponentId,
 387         "%s\n", AcpiGbl_FnEntryStr);
 388 }
 389
 390 ACPI_EXPORT_SYMBOL (AcpiUtTrace)
 391
 392
 393 /*******************************************************************************
 394  *
 395  * FUNCTION:    AcpiUtTracePtr
 396  *
 397  * PARAMETERS:  LineNumber          - Caller's line number
 398  *              FunctionName        - Caller's procedure name
 399  *              ModuleName          - Caller's module name
 400  *              ComponentId         - Caller's component ID
 401  *              Pointer             - Pointer to display
 402  *
 403  * RETURN:      None
 404  *
 405  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
 406  *              set in DebugLevel
 407  *
 408  ******************************************************************************/
 409
 410 void
 411 AcpiUtTracePtr (
 412     UINT32                  LineNumber,
 413     const char              *FunctionName,
 414     const char              *ModuleName,
 415     UINT32                  ComponentId,
 416     void                    *Pointer)
 417 {
 418     AcpiGbl_NestingLevel++;
 419     AcpiUtTrackStackPtr ();
 420
 421     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 422         LineNumber, FunctionName, ModuleName, ComponentId,
 423         "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
 424 }
 425
 426
 427 /*******************************************************************************
 428  *
 429  * FUNCTION:    AcpiUtTraceStr
 430  *
 431  * PARAMETERS:  LineNumber          - Caller's line number
 432  *              FunctionName        - Caller's procedure name
 433  *              ModuleName          - Caller's module name
 434  *              ComponentId         - Caller's component ID
 435  *              String              - Additional string to display
 436  *
 437  * RETURN:      None
 438  *
 439  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
 440  *              set in DebugLevel
 441  *
 442  ******************************************************************************/
 443
 444 void
 445 AcpiUtTraceStr (
 446     UINT32                  LineNumber,
 447     const char              *FunctionName,
 448     const char              *ModuleName,
 449     UINT32                  ComponentId,
 450     char                    *String)
 451 {
 452
 453     AcpiGbl_NestingLevel++;
 454     AcpiUtTrackStackPtr ();
 455
 456     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 457         LineNumber, FunctionName, ModuleName, ComponentId,
 458         "%s %s\n", AcpiGbl_FnEntryStr, String);
 459 }
 460
 461
 462 /*******************************************************************************
 463  *
 464  * FUNCTION:    AcpiUtTraceU32
 465  *
 466  * PARAMETERS:  LineNumber          - Caller's line number
 467  *              FunctionName        - Caller's procedure name
 468  *              ModuleName          - Caller's module name
 469  *              ComponentId         - Caller's component ID
 470  *              Integer             - Integer to display
 471  *
 472  * RETURN:      None
 473  *
 474  * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
 475  *              set in DebugLevel
 476  *
 477  ******************************************************************************/
 478
 479 void
 480 AcpiUtTraceU32 (
 481     UINT32                  LineNumber,
 482     const char              *FunctionName,
 483     const char              *ModuleName,
 484     UINT32                  ComponentId,
 485     UINT32                  Integer)
 486 {
 487
 488     AcpiGbl_NestingLevel++;
 489     AcpiUtTrackStackPtr ();
 490
 491     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 492         LineNumber, FunctionName, ModuleName, ComponentId,
 493         "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
 494 }
 495
 496
 497 /*******************************************************************************
 498  *
 499  * FUNCTION:    AcpiUtExit
 500  *
 501  * PARAMETERS:  LineNumber          - Caller's line number
 502  *              FunctionName        - Caller's procedure name
 503  *              ModuleName          - Caller's module name
 504  *              ComponentId         - Caller's component ID
 505  *
 506  * RETURN:      None
 507  *
 508  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
 509  *              set in DebugLevel
 510  *
 511  ******************************************************************************/
 512
 513 void
 514 AcpiUtExit (
 515     UINT32                  LineNumber,
 516     const char              *FunctionName,
 517     const char              *ModuleName,
 518     UINT32                  ComponentId)
 519 {
 520
 521     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 522         LineNumber, FunctionName, ModuleName, ComponentId,
 523         "%s\n", AcpiGbl_FnExitStr);
 524
 525     AcpiGbl_NestingLevel--;
 526 }
 527
 528 ACPI_EXPORT_SYMBOL (AcpiUtExit)
 529
 530
 531 /*******************************************************************************
 532  *
 533  * FUNCTION:    AcpiUtStatusExit
 534  *
 535  * PARAMETERS:  LineNumber          - Caller's line number
 536  *              FunctionName        - Caller's procedure name
 537  *              ModuleName          - Caller's module name
 538  *              ComponentId         - Caller's component ID
 539  *              Status              - Exit status code
 540  *
 541  * RETURN:      None
 542  *
 543  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
 544  *              set in DebugLevel.  Prints exit status also.
 545  *
 546  ******************************************************************************/
 547
 548 void
 549 AcpiUtStatusExit (
 550     UINT32                  LineNumber,
 551     const char              *FunctionName,
 552     const char              *ModuleName,
 553     UINT32                  ComponentId,
 554     ACPI_STATUS             Status)
 555 {
 556
 557     if (ACPI_SUCCESS (Status))
 558     {
 559         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 560             LineNumber, FunctionName, ModuleName, ComponentId,
 561             "%s %s\n", AcpiGbl_FnExitStr,
 562             AcpiFormatException (Status));
 563     }
 564     else
 565     {
 566         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 567             LineNumber, FunctionName, ModuleName, ComponentId,
 568             "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
 569             AcpiFormatException (Status));
 570     }
 571
 572     AcpiGbl_NestingLevel--;
 573 }
 574
 575 ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
 576
 577
 578 /*******************************************************************************
 579  *
 580  * FUNCTION:    AcpiUtValueExit
 581  *
 582  * PARAMETERS:  LineNumber          - Caller's line number
 583  *              FunctionName        - Caller's procedure name
 584  *              ModuleName          - Caller's module name
 585  *              ComponentId         - Caller's component ID
 586  *              Value               - Value to be printed with exit msg
 587  *
 588  * RETURN:      None
 589  *
 590  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
 591  *              set in DebugLevel.  Prints exit value also.
 592  *
 593  ******************************************************************************/
 594
 595 void
 596 AcpiUtValueExit (
 597     UINT32                  LineNumber,
 598     const char              *FunctionName,
 599     const char              *ModuleName,
 600     UINT32                  ComponentId,
 601     UINT64                  Value)
 602 {
 603
 604     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 605         LineNumber, FunctionName, ModuleName, ComponentId,
 606         "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
 607         ACPI_FORMAT_UINT64 (Value));
 608
 609     AcpiGbl_NestingLevel--;
 610 }
 611
 612 ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
 613
 614
 615 /*******************************************************************************
 616  *
 617  * FUNCTION:    AcpiUtPtrExit
 618  *
 619  * PARAMETERS:  LineNumber          - Caller's line number
 620  *              FunctionName        - Caller's procedure name
 621  *              ModuleName          - Caller's module name
 622  *              ComponentId         - Caller's component ID
 623  *              Ptr                 - Pointer to display
 624  *
 625  * RETURN:      None
 626  *
 627  * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
 628  *              set in DebugLevel.  Prints exit value also.
 629  *
 630  ******************************************************************************/
 631
 632 void
 633 AcpiUtPtrExit (
 634     UINT32                  LineNumber,
 635     const char              *FunctionName,
 636     const char              *ModuleName,
 637     UINT32                  ComponentId,
 638     UINT8                   *Ptr)
 639 {
 640
 641     AcpiDebugPrint (ACPI_LV_FUNCTIONS,
 642         LineNumber, FunctionName, ModuleName, ComponentId,
 643         "%s %p\n", AcpiGbl_FnExitStr, Ptr);
 644
 645     AcpiGbl_NestingLevel--;
 646 }
 647
 648 #endif
 649
 650
 651 /*******************************************************************************
 652  *
 653  * FUNCTION:    AcpiUtDumpBuffer
 654  *
 655  * PARAMETERS:  Buffer              - Buffer to dump
 656  *              Count               - Amount to dump, in bytes
 657  *              Display             - BYTE, WORD, DWORD, or QWORD display
 658  *              ComponentID         - Caller's component ID
 659  *
 660  * RETURN:      None
 661  *
 662  * DESCRIPTION: Generic dump buffer in both hex and ascii.
 663  *
 664  ******************************************************************************/
 665
 666 void
 667 AcpiUtDumpBuffer2 (
 668     UINT8                   *Buffer,
 669     UINT32                  Count,
 670     UINT32                  Display)
 671 {
 672     UINT32                  i = 0;
 673     UINT32                  j;
 674     UINT32                  Temp32;
 675     UINT8                   BufChar;
 676
 677
 678     if (!Buffer)
 679     {
 680         AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
 681         return;
 682     }
 683
 684     if ((Count < 4) || (Count & 0x01))
 685     {
 686         Display = DB_BYTE_DISPLAY;
 687     }
 688
 689     /* Nasty little dump buffer routine! */
 690
 691     while (i < Count)
 692     {
 693         /* Print current offset */
 694
 695         AcpiOsPrintf ("%6.4X: ", i);
 696
 697         /* Print 16 hex chars */
 698
 699         for (j = 0; j < 16;)
 700         {
 701             if (i + j >= Count)
 702             {
 703                 /* Dump fill spaces */
 704
 705                 AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
 706                 j += Display;
 707                 continue;
 708             }
 709
 710             switch (Display)
 711             {
 712             case DB_BYTE_DISPLAY:
 713             default:    /* Default is BYTE display */
 714
 715                 AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
 716                 break;
 717
 718
 719             case DB_WORD_DISPLAY:
 720
 721                 ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
 722                 AcpiOsPrintf ("%04X ", Temp32);
 723                 break;
 724
 725
 726             case DB_DWORD_DISPLAY:
 727
 728                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
 729                 AcpiOsPrintf ("%08X ", Temp32);
 730                 break;
 731
 732
 733             case DB_QWORD_DISPLAY:
 734
 735                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
 736                 AcpiOsPrintf ("%08X", Temp32);
 737
 738                 ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
 739                 AcpiOsPrintf ("%08X ", Temp32);
 740                 break;
 741             }
 742
 743             j += Display;
 744         }
 745
 746         /*
 747          * Print the ASCII equivalent characters but watch out for the bad
 748          * unprintable ones (printable chars are 0x20 through 0x7E)
 749          */
 750         AcpiOsPrintf (" ");
 751         for (j = 0; j < 16; j++)
 752         {
 753             if (i + j >= Count)
 754             {
 755                 AcpiOsPrintf ("\n");
 756                 return;
 757             }
 758
 759             BufChar = Buffer[(ACPI_SIZE) i + j];
 760             if (ACPI_IS_PRINT (BufChar))
 761             {
 762                 AcpiOsPrintf ("%c", BufChar);
 763             }
 764             else
 765             {
 766                 AcpiOsPrintf (".");
 767             }
 768         }
 769
 770         /* Done with that line. */
 771
 772         AcpiOsPrintf ("\n");
 773         i += 16;
 774     }
 775
 776     return;
 777 }
 778
 779
 780 /*******************************************************************************
 781  *
 782  * FUNCTION:    AcpiUtDumpBuffer
 783  *
 784  * PARAMETERS:  Buffer              - Buffer to dump
 785  *              Count               - Amount to dump, in bytes
 786  *              Display             - BYTE, WORD, DWORD, or QWORD display
 787  *              ComponentID         - Caller's component ID
 788  *
 789  * RETURN:      None
 790  *
 791  * DESCRIPTION: Generic dump buffer in both hex and ascii.
 792  *
 793  ******************************************************************************/
 794
 795 void
 796 AcpiUtDumpBuffer (
 797     UINT8                   *Buffer,
 798     UINT32                  Count,
 799     UINT32                  Display,
 800     UINT32                  ComponentId)
 801 {
 802
 803     /* Only dump the buffer if tracing is enabled */
 804
 805     if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
 806         (ComponentId & AcpiDbgLayer)))
 807     {
 808         return;
 809     }
 810
 811     AcpiUtDumpBuffer2 (Buffer, Count, Display);
 812 }
 813
 814